kṛṣṇa-varṇa-śabdera—of the word kṛṣṇa-varṇa; artha—the meaning; dui—two; ta—certainly; pramāṇa—examples; kṛṣṇa—Kṛṣṇa; vinu—except for; tāṅra—of Him; mukhe—in the mouth; nāhi āise—does not come; āna—anything else.